Machine for forming fireproof covering for walls and ceilings.



G. McKAY. MACHINE FOR FORMING FIREPROOF COVERING .FOR WALLS AND GEILINGS.

APPLICATION FILED nnc. 2o, 1910.

Patented Feb. 11; 1913.

3 SHEETS-SHEET 1.

m swuwlioz WW R emyg WZ Zfa Wm WM G. McKAY. MACHINE FORFOEMING FIREPROOF COVERING FOR WALLS AND CEILINGS.'-

APPLICATION FILED mzcjzo, 1910 3 SHEETS-SHEET 2.

G. McKAY.

MACHINE FOR FORMING FIREPROOF COVERING FOR WALLS AND CEILINGS APPLICATION FILED Disc. 20, 1010.

1,053,106. Patented Feb. 11, 1913.

3 SHEETS-SHEET 3.

Q. $3,130 6mm;

ing'Fire'proof Covering for ,V\

GEORGE CKAY; or carnnonia NEW Yonic mac ne roR ronivriivermsrnoor covnm vc roe warms ANDCEILINGS.

: Specif cation of Letterslatent.

Patented 'i b. 11,1913.

.Appl'ieation filed December 20, 1910. Serial No. 598,286.

citizen of the United States, residing at Caledonia, in'the county of Livingston and State of New York, have invented new and useful linpiovements in Machines for F ornia l ls and Coil ings, ofwhich the following is a specific-afltion. i

7 tures details of construction and combina- I 1 'Thi siiiven-tion provides a machine for the manufacture of what is known as wall board. for "covering interior and exterior surfaces and whichis fireproof, the machine embodying a novel structure and a minimum numberofparts and adapted to turn out the board in'piecesof uniform size to be conveniently handled."

. The invention consists of the novel feation of parts, which hereinafter will be more partic'ularlyv setforth, illustrated in the ac eornpanying: drawings, and pointed out ,in

the appended claim.

-. Referring to the drawings, forminga part of the application, Figure 1 IS a side view offl-=a machine embodying the invention.

Fig. 2isa-,t.op plan view of the machine.

. .FigiBuisa. longitudinal sectionon the line w-w, of Fig.2. Fig. 4 is a transverse sec I tion on the line yy of Fig. 2. Fig. 5 is a. detail View of the cutting mechanism, the supporting framework being'.'in. section on the line-2z of Fig. 3. Fig. 6 is a detail viewof 'a portioniof the main frame on the line 66 of Fig. 2', showing the adjustable bearing in which the movable end of the power shaft is mounted. Fig. 7 is a sectional detail on the line 7-7 of Fig. 6.-

Corresponding and like parts are referred toin the following description, and indicated in all the views of the drawings,-by the same reference characters.

The machine embodies a framework 1, which may be-of any construction. A pair of compressing rolls 2 and 3 is located at one end of the machine and a pair of feed rolls 4 and 5 is located near the rear' endof the machine. The compressing rolls 2 and 3 are connected by gears so as to revolve at a uniform speed with their inner surfaces moving rearward so as to force the material between them, thereby servingthe threefold purpose of distributing. compressing and A transverse shaft- 6 is located between the ends of the machine and has pulleys 7 and 8 secured to MCKAY, a

opposite ends thereof. The shaft of the compressing roll'2has a pulley 9 secured thereto which is connected by means of a drive belt 10 with a pulley 11 fastened to the shaft (3. A counter-shaft 12 has a pulley 13 at one end, which is adapted to be connected by means of a drive belt with a suitable source of power.. A pulley 14, secured tothe opposite end of. the shaft 12. is adapted to engage frictionally with the pulley 7. The end of the shaft provided with the pulley 14 is movable toward and from the sha ft (3 to throw the pulleys 7 and 14 into or out of gear. The hearing 15 receiving the movable end of the shaft-12 is e'ccentrically mounted so that upon turning thereof the pulley 14 is moved toward or away from the pulley 7. Thefeed rolls 4. and 5 aregeared to rotate at a uniform speed equal to tl'iespeed of the compressing rolls 2 and 3. bet-ween the rolls 4 and 5 and is compressed thereby and fed forward to the cutting mechanism, said feed rolls also "supplementing the action of the compressing rolls 2 and:

3.v A drive belt 16 connects'a pulley 17 secured td'the shaft of the feed roll 5 with the pulley 8 on the shaft 6.

A roll of paper 18 is located above the front port-ion of the machine and a second roll of paper 19 is located-in advance of the machine .below the plane of the compressing rolls. .A roller 20 is located at the upper forward corner of the framework 1 and supports the strip of piiper'2l as the same is drawn from the. roll 19. j The strip of paper 22 from the upper roll 18 passes around the compressing roll-2. A roll of wire 23 is located in front of the machine in a higher plane than the roll of. paper 19.

In the operation of the machine the strips of paper 21 and 22 are drawn from the rolls 19 and 18fand the wire fabric is drawn from the roll 23 and passes between the strips of paper 21 and 22. The wire fabric 24 reinforces the board and gives strength thereto and also overcomes the necessity for provid ing supporting means intermediate the pairs of rollers between which the material passes. The material in a plastic state is fed upon the wire fabric 24 and passes through the meshes thereof and is confined between the sheets of paper 21 and 22, the wire fabric being embedded in the material and practically occupying a central position between the sheets of paper. A trough The completed board passes extends over the wire fabric at a point 1 ated from one of the compressing rolls by means of a drive belt 27, which passes around pulleys secured to the shaft of the compressing roll andthe shaft of theconveyer. A hopper 28 is located atthe receiving end iof. the trough andcoinprises' two compartments, one of which receives calcine plaster and the other 'ivood fiber. An agitator 29 is located at the lower end of the hopper and serves to positively deliver the material therefrom into the'troiigh 25. A pipe 30 supplies water to the trough in regulated quantity so vas tO'COlllbillG with the material and form therewith a plastic mass, which is-delivered upon the wire fabric approximately at a central point, said material being spread by means of the upper compressing roll.

A cutting mechanism islocated atthe rear of the machine and comprises two shear blades 31 and 32. The blade 3l-is connected to a shaft 33 and; the blade 32 is mounted upon a shaft-34. The cutting edges of the blades 31.and 32 overlap and-are adapted to be adjusted to insure-their cooperat-ion in severing the completed board into lengths of predetermined size for convenience of handling. The-two shaft-s 33 and 3t are connected atopposite ends-by meansof spur gears'35 and36f- One'of the shafts, as 34, is mounted in bearings which are adjustable by 'nieans'of set-screws 37, thereby admitting of adjusting theshearing blades '31 and 32 so that their cutting edgeswill move the one over the other and make a"'c'lean.cut of the board into the required lengths. Motion may be imparted'toone' of the'shafts 33"or 34 from a convenient part ofthe machine and as indicated a sprocket eha'in'38 con nects sprocket wheel's secured to extended ends of the shafts of one of the feedvrollers and shearing blades. v l

From the foregoing description, taken in connection with the accompanying drawings,

the advantages of the construction and of the method of opei'ationwill .be readily apparent to those skilled in the art to which the invention appertaiiis, and while I have described the principle of operation of the invention, together with'the device which I now consider to be the embodiment thereof I desire to have-it understood that the de vice shown is merelyillustrative,"and that such changes may be made when desired as are within the scope of the claiinlappendedand the compressing and feed rolls, gearing between thetwoQshafts, one of the latter; 80

having the driving power appliedtl er'et'o, means for throwing it intoor-outof engage ment with the other oneot-theshafts' means for supplying. a strip'ofpaper and wire fabric to the, compressing rolls, the same passing over thebefor'e lTICIltlOIlQdligltidE roller, othernieans for supplying. a strip of; paper whicl passes a'roiind tlie,. iipper one of the compressing rolls, 'a wtroiighl extendihg' 'over the part-of-the' wire. fabric and paper strip between the guide roller and com press. ing rolls for supplying plastic iinaterial thereto, a hopperat'theouterend of the. trough for receiving the ingredients comprising the said plastic material and a cut-- ting mechanism nearthe rear end of the framework for severing the completed board into desired lengths' In testimony whereof I afiix my signature in presence of two witnesses.

GEORGE iicioii Witnesses: a

Laney C.-KN PP,

MALcoM 'M'. CAMPBELL. 

